Wisconsin CDL Practice Test: Class A - Test 2 2019

Directions: When applying for this license, applicants must pass a 50-question test. And applicants must score 80% to pass the test. The following questions are based on the details provided in the Wisconsin Commercial Driver Handbook. Endorsements that may be used with a Class A CDL include Hazardous Materials, Passenger, Double and Triples, HazMat and Tanker, Air Brakes and School bus. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Wisconsin DMV locations.

You have made 2 errors so far.

1. When uncoupling, if you park the trailer at an angle ______.

directing the car where the driver wants it to go.

avoiding spin-outs.

decreasing the distance needed to stop the vehicle.

none of the above

2. The emergency line has two functions. It controls the emergency brakes on combination vehicles and what else?

One of your rear wheels must touch the curb.

Your wheels must be within 18 inches of the curb.

Your front wheels must be turned toward the street.

3. The air pressure should build from ____ to ____ within 3 minutes.

Drive in the right lane only

Honk your horn to make others aware of your presence

Drive slower than the flow of traffic

Look ahead and maintain a safe following distance

4. When does the air compressor governor allow air to start pumping?

75

50

100

5. What is the purpose of dummy coupler?

Take your attention away from the driving task

Take your eyes off the road

All of the above

Take your hands off the wheel

6. During a pre-trip inspection of your vehicle, you can check if your vehicle is leaking by inspecting for _______.